package com.zsr.config;

import at.pollux.thymeleaf.shiro.dialect.ShiroDialect;
import org.apache.shiro.spring.web.ShiroFilterFactoryBean;
import org.apache.shiro.web.mgt.DefaultWebSecurityManager;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.LinkedHashMap;
import java.util.Map;

/**
 * @Author zsr
 * @Desc
 * @Date 2021/5/25 11:28
 */
@Configuration
public class ShiroConfig {

    @Bean
    public ShiroFilterFactoryBean getShiroFilterFactoryBean(@Qualifier("securityManager") DefaultWebSecurityManager defaultWebSecurityManager){
        ShiroFilterFactoryBean bean = new ShiroFilterFactoryBean();

        bean.setSecurityManager(defaultWebSecurityManager);
        //添加shiro的内置过滤器
        /*
        anon:无需认证就可以访问
        authc:必须认证了才能让问
        user:必须拥有记住我功能才能用
        perms :拥有对某个资源的权限才能访问;
        role:拥有某个角色权限才能访问
        */
        Map<String,String> filterMap=new LinkedHashMap<>();

        //授权  正常情况下未授权会跳转到未授权页面
        filterMap.put("/user/add","perms[user:add]");
        filterMap.put("/user/update","perms[user:update]");

        filterMap.put("/user/*","authc");
        //filterMap.put("/user/update","authc");
        //filterMap.put("/user/add","authc");

        bean.setFilterChainDefinitionMap(filterMap);
        //设置登录的请求
        bean.setLoginUrl("/toLogin");
        //未授权显示的页面
        bean.setUnauthorizedUrl("/noauth");

        return bean;
    }


    @Bean("securityManager")
    public DefaultWebSecurityManager getDefaultWebSecurityManager(@Qualifier("userRealm") UserRealm userRealm){
        DefaultWebSecurityManager securityManager=new DefaultWebSecurityManager();
        securityManager.setRealm(userRealm);
        return  securityManager;
    }

    @Bean
    public UserRealm userRealm(){
        return new UserRealm();
    }

    @Bean
    public ShiroDialect getShiroDialect(){
        return new ShiroDialect();
    }
}
